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EP0879584B1 - Extenseur coronaire - Google Patents

Extenseur coronaire Download PDF

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Publication number
EP0879584B1
EP0879584B1 EP98108279A EP98108279A EP0879584B1 EP 0879584 B1 EP0879584 B1 EP 0879584B1 EP 98108279 A EP98108279 A EP 98108279A EP 98108279 A EP98108279 A EP 98108279A EP 0879584 B1 EP0879584 B1 EP 0879584B1
Authority
EP
European Patent Office
Prior art keywords
pattern
crosspiece
stent
connectors
coronary stent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98108279A
Other languages
German (de)
English (en)
Other versions
EP0879584B2 (fr
EP0879584A2 (fr
EP0879584A3 (fr
Inventor
Randolf Dr. Ing. Von Oepen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Abbott Laboratories Vascular Enterprises Ltd
Original Assignee
Abbott Laboratories Vascular Enterprises Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8040554&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0879584(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Abbott Laboratories Vascular Enterprises Ltd filed Critical Abbott Laboratories Vascular Enterprises Ltd
Publication of EP0879584A2 publication Critical patent/EP0879584A2/fr
Publication of EP0879584A3 publication Critical patent/EP0879584A3/fr
Publication of EP0879584B1 publication Critical patent/EP0879584B1/fr
Application granted granted Critical
Publication of EP0879584B2 publication Critical patent/EP0879584B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/88—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91525—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91533—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155—Adjacent bands being connected to each other
    • A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0029—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in bending or flexure capacity

Definitions

  • the invention relates to a coronary stent according to the Preamble of claim 1.
  • a coronary stent is from the US-A-5,449,373.
  • a wide variety of design forms are from the prior art previously known from coronary stents. These form one Vascular prosthesis, which consists of body-compatible material. The stent or the stent prosthesis is used for blood vessels or widen other body openings and in to keep the expanded condition.
  • the Stent in an unexpanded state in the patient's body positioned and subsequently by suitable means, for example, a balloon catheter expands. When expanding the individual web areas of the stent are deformed, so that it remains permanently in the expanded form.
  • Another stent is known from DE 44 18 336 A. This The publication shows a stent that is used to achieve a larger size Flexibility and flexibility across its entire range Longitudinal extension has a wall structure that is diamond-shaped Cells includes and on the one hand connections in the form of node areas and on the other hand has gaps.
  • a stent is known from WO 96/39102 A, which also is flexible over its entire length and for this purpose at 5 has a uniform wall structure has loop-like elements provided at the end that are long enough to be the ends of pairs Adjacent wall elements can hold together if the Stent is expanded radially.
  • stents when designing stents the problem that this one in the unexpanded state must have a sufficiently small diameter in order to The patient's body is inserted and positioned there to be able to.
  • the stents need some flexibility have along their longitudinal axis to the shapes of for example to be able to follow blood vessels.
  • expanding the stent When expanding the stent must have a much larger outer diameter be expanded. This has to be done by deformation of the individual web areas take place in such a way that cracks form or the like can be avoided.
  • the invention has for its object a stent to create the type mentioned above, which with simple Structure, easy to manufacture and safe to use is extremely flexible and yet sufficiently high radial forces can apply or take them up.
  • the object is characterized by the features of Main claim solved, the sub-claims show more advantageous embodiments of the invention.
  • the invention makes an extremely flexible stent created that the vascular convolutions when inserted into the Body can follow a patient well. Since the top of the stents according to the invention is extremely flexible, he follows when positioning the vascular convolutions very well and easily, because it is the guidewire of the balloon catheter on which the Stent is mounted when positioning, like on a rail follows.
  • the stent according to the invention is thus characterized by a very high flexibility of its tip. At the The stent will be positioned from the tip, so to speak pulled the vessel because this Flexibility can follow well.
  • the flexible tip can be in different ways and Way.
  • connectors are formed at the end of the stent, which are approximately correspond to the shape of a clock spring. Preferably takes effect only one at every second or third end preferably a zigzag-extending web pattern a connector on.
  • Connectors should be in place so that the tip fits very well Stent can be coupled.
  • To the connector becomes final training of the top at least one convoluted running bar pattern attached.
  • This subsequent Bridge pattern shows short Thighs on so that it does not become too hard. This can preferably be achieved in that the Number of zigzag lines is increased.
  • the shape of the connectors resembles a clock spring or a particularly preferred embodiment in the manner of a snail are basically other connectors conceivable that a flexible execution of the tip possible do.
  • the stent according to the invention is characterized by a number significant benefits.
  • the arrangement according to the invention results in the unexpanded Condition on the one hand sufficient strength, on the other hand but also high flexibility.
  • the webs or land areas of the cells of the wall of the stent ensure that the stent expands in a simple and reliable manner can be.
  • the folded ones have proven to be particularly cheap Design the webs of the first cells in a zigzag shape, see above that this is preferably a circumferential extending band-like region. These band-like Areas increase the strength of the stent and also secure it its shape retention in the expanded state.
  • Fig. 1 shows the basic structure of an inventive Stents 1, which is a flexible, tubular Body 2 has a wall, of which in Fig. 1 Front side 3 is visible.
  • FIG. 2 is a first embodiment of the invention Stents shown, being to explain the structure of the body 2 whose wall in a plan view according to the Drawing level Fig. 2 is.
  • the stent 1 has a web structure on, in the example case alternating web pattern 5 and 6 has, the web pattern 6, the web pattern 5 each connect with each other.
  • the web patterns 5 and 6 have a zigzag shape running or meandering webs on the Limit cells of the web structure.
  • a flexible tip 4 is arranged at the front end 3 of the stent 1 according to the invention. This area is in Fig. 2 outlined with a dashed line.
  • the Tip 4 a plurality of preferably at least 3 connectors on, of which a connector 7 is representative of the corresponding reference number is provided. 2 shows is the connector similar to an S-shaped clock spring or spiral shaped. On one of his free Ends 8 is the connector 7 with the front web pattern 5 connected. At the other free end 9 the closes Connector 7 to another short-legged Web pattern 10.
  • the web pattern 10 is shorter than the web patterns 5 and 6 are formed. It also goes winding or zigzag-shaped and can therefore also be used as a meandering pattern be designated.
  • the tip 4 is in the previously described embodiment extremely flexible and thus allows insertion of the Stents in a patient's body in an extremely safe manner and way, since the flexible tip prevents the stent is caught in the inner wall of the vessel and thus injured.
  • FIG. 3 shows a second embodiment of the invention Stents shown. All the characteristics of those of 2 correspond, are provided with the same reference numerals.
  • the main difference to the embodiment according to Fig. 2 is in the execution of the flexible tip 4 ' see that in the example case next to the plurality of connectors 4 and the web pattern 10 connected to this one another row of connectors 7 'with another connected to it Has web pattern 10 '.
  • Fig. 3 illustrates here that the connector 7 'relative to the connectors 7 Are arranged folded 180 ° and that the web pattern 10 ' is phase-shifted to the web pattern 10 is provided. Otherwise can, however, refer to the embodiment of FIG. 2 become.
  • the tip 4 ' is extremely flexible and allows thus a safe insertion of the stent into the body of a patient, since this is very good at the winding of the vessels follows even if the web structure of the wall 2 is relative is resistant to bending.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Prostheses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)

Claims (5)

  1. Extenseur coronaire (1) avec un corps tubulaire (2) dont la paroi présente une structure de type filet relativement rigide à la flexion, la structure de type filet comprenant une pluralité de cellules adjacentes, circonscrites par des nervures, le corps (2) présentant au moins en l'une de ses extrémités frontales (3) un embout ou pointe souple et doux (4), l'embout ou pointe (4) comprenant des éléments d'attache (7) qui, en l'une de leurs extrémités (8) sont fixés à un motif nervuré frontal (5) du corps (2) et, en leur autre extrémité (9) sont reliés à un autre motif nervuré (10), caractérisé en ce que d'autres motifs nervurés (10) sont réalisés avec des côtés plus courts par comparaison au motif nervuré (5, 6) du corps (2).
  2. Extenseur coronaire selon la revendication 1, caractérisé en ce que les éléments d'attache (7) sont réalisés de manière sinueuse en forme de S.
  3. Extenseur coronaire selon la revendication 1 ou 2, caractérisé en ce que les éléments d'attache (7) sont réalisés sous la forme d'éléments à ressort avec une élasticité élevée.
  4. Extenseur coronaire selon l'une des revendications 1 à 3, caractérisé en ce que l'embout ou pointe (4') comporte au moins une rangée supplémentaire d'éléments d'attache (7'), qui sont fixés au premier motif nervuré à côtés courts (10) et qui, en leur extrémité libre, sont reliés à un second motif nervuré à côtés courts (10').
  5. Extenseur coronaire selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins trois éléments d'attache (7, 7') sont prévus pour la fixation du motif nervuré à côtés courts (10 ou 10').
EP98108279A 1997-05-20 1998-05-06 Extenseur coronaire Expired - Lifetime EP0879584B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29708879U DE29708879U1 (de) 1997-05-20 1997-05-20 Koronarer Stent
DE29708879U 1997-05-20

Publications (4)

Publication Number Publication Date
EP0879584A2 EP0879584A2 (fr) 1998-11-25
EP0879584A3 EP0879584A3 (fr) 1999-07-28
EP0879584B1 true EP0879584B1 (fr) 2004-08-18
EP0879584B2 EP0879584B2 (fr) 2011-07-06

Family

ID=8040554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98108279A Expired - Lifetime EP0879584B2 (fr) 1997-05-20 1998-05-06 Extenseur coronaire

Country Status (6)

Country Link
US (1) US6017365A (fr)
EP (1) EP0879584B2 (fr)
JP (1) JPH10328312A (fr)
AT (1) ATE273670T1 (fr)
CA (1) CA2237476C (fr)
DE (2) DE29708879U1 (fr)

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US6896696B2 (en) 1998-11-20 2005-05-24 Scimed Life Systems, Inc. Flexible and expandable stent
US20070073384A1 (en) * 1995-03-01 2007-03-29 Boston Scientific Scimed, Inc. Longitudinally flexible expandable stent
EP1477133B9 (fr) 1996-03-05 2007-11-21 Evysio Medical Devices Ulc Stent expansible
US6796997B1 (en) 1996-03-05 2004-09-28 Evysio Medical Devices Ulc Expandable stent
CA2192520A1 (fr) 1996-03-05 1997-09-05 Ian M. Penn Tringle extensible et methode de mise en place de ladite tringle
US6241760B1 (en) 1996-04-26 2001-06-05 G. David Jang Intravascular stent
US6235053B1 (en) 1998-02-02 2001-05-22 G. David Jang Tubular stent consists of chevron-shape expansion struts and contralaterally attached diagonal connectors
JP4636634B2 (ja) 1996-04-26 2011-02-23 ボストン サイエンティフィック サイムド，インコーポレイテッド 脈管内ステント
US20040106985A1 (en) 1996-04-26 2004-06-03 Jang G. David Intravascular stent
DE29702671U1 (de) * 1997-02-17 1997-04-10 Jomed Implantate GmbH, 72414 Rangendingen Stent
CA2214627A1 (fr) * 1997-03-05 1998-09-05 Divysio Solutions Ulc Stent extensible
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EP1047356B2 (fr) * 1998-01-14 2014-03-12 Advanced Stent Technologies, Inc. Extenseur extensible
US6179867B1 (en) * 1998-01-16 2001-01-30 Advanced Cardiovascular Systems, Inc. Flexible stent and method of use
US6533807B2 (en) * 1998-02-05 2003-03-18 Medtronic, Inc. Radially-expandable stent and delivery system
US5938697A (en) * 1998-03-04 1999-08-17 Scimed Life Systems, Inc. Stent having variable properties
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US6017365A (en) 2000-01-25
ATE273670T1 (de) 2004-09-15
EP0879584B2 (fr) 2011-07-06
EP0879584A2 (fr) 1998-11-25
DE29708879U1 (de) 1997-07-31
CA2237476C (fr) 2006-01-03
JPH10328312A (ja) 1998-12-15
EP0879584A3 (fr) 1999-07-28
DE59811817D1 (de) 2004-09-23
CA2237476A1 (fr) 1998-11-20

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